[Bug]: Fix missing index settings default config values (#283)

* fix: provide default index settings

* use default value form symfony config

* Apply php-cs-fixer changes

* fix: sonar

---------

Co-authored-by: lukmzig <lukmzig@users.noreply.github.com>

Author: lukmzig

config/pimcore/config.yaml

@@ -17,56 +17,6 @@ pimcore_generic_data_index:
               type: text
               analyzer: standard
               search_analyzer: generic_data_index_whitespace_analyzer
-
-    index_settings:
-      index:
-        mapping:
-          nested_fields:
-            limit: 200
-          total_fields:
-            limit: 100000
-      number_of_shards: 1
-      number_of_replicas: 0
-      max_ngram_diff: 30
-      max_result_window: 10000
-      analysis:
-        analyzer:
-          generic_data_index_ngram_analyzer:
-            tokenizer: generic_data_index_ngram_tokenzier
-            filter:
-              - lowercase
-          generic_data_index_whitespace_analyzer:
-            tokenizer: generic_data_index_whitespace_tokenzier
-            filter:
-              - lowercase
-          generic_data_index_path_analyzer:
-            tokenizer: generic_data_index_path_tokenizer
-        normalizer:
-          generic_data_index_sort_normalizer:
-            type: custom
-            filter:
-              - lowercase
-          generic_data_index_sort_truncate_normalizer:
-            type: custom
-            char_filter:
-              - generic_data_index_sort_truncate
-            filter:
-              - lowercase
-        tokenizer:
-          generic_data_index_ngram_tokenzier:
-            type: ngram
-            min_gram: 3
-            max_gram: 25
-            token_chars: [ letter, digit ]
-          generic_data_index_whitespace_tokenzier:
-            type: whitespace
-          generic_data_index_path_tokenizer:
-            type: "path_hierarchy"
-        char_filter:
-          generic_data_index_sort_truncate:
-            type: pattern_replace
-            pattern: ^(.{256})(.*)$
-            replacement: $1
     system_fields_settings:
       general:
         id:

config/pimcore/default_index_settings.yaml

@@ -0,0 +1,48 @@
+index:
+  mapping:
+    nested_fields:
+      limit: 200
+    total_fields:
+      limit: 100000
+number_of_shards: 1
+number_of_replicas: 0
+max_ngram_diff: 30
+max_result_window: 10000
+analysis:
+  analyzer:
+    generic_data_index_ngram_analyzer:
+      tokenizer: generic_data_index_ngram_tokenzier
+      filter:
+        - lowercase
+    generic_data_index_whitespace_analyzer:
+      tokenizer: generic_data_index_whitespace_tokenzier
+      filter:
+        - lowercase
+    generic_data_index_path_analyzer:
+      tokenizer: generic_data_index_path_tokenizer
+  normalizer:
+    generic_data_index_sort_normalizer:
+      type: custom
+      filter:
+        - lowercase
+    generic_data_index_sort_truncate_normalizer:
+      type: custom
+      char_filter:
+        - generic_data_index_sort_truncate
+      filter:
+        - lowercase
+  tokenizer:
+    generic_data_index_ngram_tokenzier:
+      type: ngram
+      min_gram: 3
+      max_gram: 25
+      token_chars: [ letter, digit ]
+    generic_data_index_whitespace_tokenzier:
+      type: whitespace
+    generic_data_index_path_tokenizer:
+      type: "path_hierarchy"
+  char_filter:
+    generic_data_index_sort_truncate:
+      type: pattern_replace
+      pattern: ^(.{256})(.*)$
+      replacement: $1

src/DependencyInjection/PimcoreGenericDataIndexExtension.php

@@ -71,19 +71,14 @@ public function prepend(ContainerBuilder $container): void
             $loader->load('doctrine_migrations.yaml');
         }
 
-        $filename = __DIR__ . '/../../config/doctrine.yaml';
-
-        try {
-            $config = Yaml::parseFile($filename);
-        } catch (ParseException $e) {
-            throw new InvalidArgumentException(sprintf('The file "%s" does not contain valid YAML.', $filename), 0, $e);
-        }
+        $config = $this->getParsedConfig(__DIR__ . '/../../config/doctrine.yaml');
 
         $container->prependExtensionConfig('doctrine', $config['doctrine']);
     }
 
     private function registerIndexServiceParams(ContainerBuilder $container, array $indexSettings): void
     {
+        $indexSettings['index_settings'] = $this->getIndexSettings($indexSettings['index_settings']);
         $definition = $container->getDefinition(SearchIndexConfigServiceInterface::class);
         $definition->setArgument('$clientType', $indexSettings['client_params']['client_type']);
         $definition->setArgument('$indexPrefix', $indexSettings['client_params']['index_prefix']);
@@ -109,6 +104,42 @@ private function registerIndexServiceParams(ContainerBuilder $container, array $
         $definition->setArgument('$queueSettings', $indexSettings['queue_settings']);
     }
 
+    private function getIndexSettings(array $indexSettings): array
+    {
+        $defaultIndexSettings = $this->getParsedConfig(
+            __DIR__ . '/../../config/pimcore/default_index_settings.yaml'
+        );
+
+        return $this->mergeConfig($defaultIndexSettings, $indexSettings);
+    }
+
+    private function mergeConfig(array $default, array $custom): array
+    {
+        foreach ($custom as $key => $value) {
+            $default[$key] = is_array($value) && isset($default[$key]) && is_array($default[$key])
+                ? $this->mergeConfig($default[$key], $value)
+                : $value;
+        }
+
+        return $default;
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    private function getParsedConfig(string $fileLocation): array
+    {
+        try {
+            return Yaml::parseFile($fileLocation);
+        } catch (ParseException $e) {
+            throw new InvalidArgumentException(
+                sprintf('The file "%s" does not contain valid YAML.', $fileLocation),
+                0,
+                $e
+            );
+        }
+    }
+
     /**
      * @throws InvalidArgumentException
      */